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Diagnostic Tests - Bone Density Test for Osteoporosis
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How long is it before the result of the test is known?

  • You'll get the results within a few days. The results will include two scores, the T-score and the Z-score. The T-score measures your bone density compared with the average values in young adults of the same race and sex. The Z-score shows how your bone density compares with that of people your own age, race, and sex. A positive T-score means your bones are stronger than the average in a young adult, and a negative score means that your bones are weaker. If you have a T-score that is between -1.0 and -2.5, you have osteopenia. If it is below -2.5, you have osteoporosis.

    In general, the lower your bone density, the higher your risk of breaking a bone. Fractures of the hip are particularly disabling, and fractures of the spine are common and painful. Bone density measured at the hip and spine by DXA is regarded by most experts as the best predictor of hip and spine fracture. DXA also is excellent for diagnosing thin arm bones; wrist fractures occur more easily in people with osteopenia or osteoporosis. Fortunately, treatment options exist. Talk with your doctor.

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